401(k) Tips for Maximizing Retirement Wealth

Investors make bizarre decisions with their retirement funds, according to data from a leading plan administrator.

Many 401(k) accounts offer room for improvement. Perhaps the fees should be lower, or the funds could be better, or the employer match uses a gimmick to keep costs down--say, a lump-sum payment at year-end. But even a flawed plan allows workers to stash...